He was the second hiker to call for help on Kowloon Peak in a week. A 25-year-old female hiker was still missing after making an emergency call on Monday.

Man, who works in the information-technology industry, said he had liked hiking since he was a child. He started drone filming four years ago and had set up a group to help people to find their lost drones on the hill, news website HK01.com reported.

He said this was the first time he had used the technique to help rescue a person.